Measurement and Instrumentation The coil of a moving coil meter has 100 turns, is 40 mm long and 30 mm wide. The control torque is 240×10-6 N-m on full scale. If magnetic flux density is 1Wb/m2 range of meter is 2 mA. 1 mA. 3 mA. 4 mA. 2 mA. 1 mA. 3 mA. 4 mA. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The range of a moving iron ac ammeter is extended by None of the listed here Changing number of turns of operating coil A shunt A multiplier None of the listed here Changing number of turns of operating coil A shunt A multiplier ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation To measure an A. C. voltage by using an A.C. potentiometer, it is desirable that the supply for the potentiometer in taken From the same source as the unknown voltage From a battery Any of the above From a source which is not the same as the unknown voltage From the same source as the unknown voltage From a battery Any of the above From a source which is not the same as the unknown voltage ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation With a sweep time 10ms across the screen the approx. horizontal sawtooth frequency will be 50Hz 1kHz 100Hz 500Hz 50Hz 1kHz 100Hz 500Hz ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The measurement of a quantity is a comparison of an unknown quantity with another quantity. is a comparison of an unknown quantity with known quantity. none of these. is a comparison of an unknown quantity with standard. is a comparison of an unknown quantity with another quantity. is a comparison of an unknown quantity with known quantity. none of these. is a comparison of an unknown quantity with standard. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A 1 mA meter is to be converted to 1 A ammeter. The meter resistance is 100 Ω. The value of shunt resistance 1000 Ω. 0.001 Ω. 0.1001 Ω. 100 Ω. 1000 Ω. 0.001 Ω. 0.1001 Ω. 100 Ω. ANSWER DOWNLOAD EXAMIANS APP